<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=utf-8&method=alipay.trade.page.pay&sign=kHw8XRyYKEi%2FIjsUdZ9Tpw85IUcr14LPjZmYAMR4PoicVr%2Bduzr20JQLaRCIqmf9rIH1ZsFqXMYNBCaKMzyueE%2B3FrL9n0kPPLlwDzJcQTALCOTNnFZr6omUonhI1PdbzEm3EBN7DljJ0AAEfjKAhok1v2rewvnK7pc74z3Lw8Wp1mm0VaiyQyWVZ8wfvMTeWJwFjc3oOEtNgfJOBTys0P5DqYXirR1U4bpS8y11eKxcgyz4GjVbT45OK7SSOW6j2ANvdlCyNS3LH9zcoTcHa4waZarlrlnM8LfD%2FQriUuwsLDDItgxgDtAd9O0psvx9x8ZCIMXdgTm0NUQzL1U9wg%3D%3D&return_url=https%3A%2F%2Fgaga.plus&notify_url=http%3A%2F%2Fthy-studio.natapp1.cc%2Fapi%2Fv1%2Falipay%2Falipay_notify_url&version=1.0&app_id=9021000146602925&sign_type=RSA2&timestamp=2025-07-24+20%3A13%3A44&alipay_sdk=alipay-sdk-java-4.38.157.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;67147393536411&quot;,&quot;total_amount&quot;:&quot;90.00&quot;,&quot;subject&quot;:&quot;测试商品&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>